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Needed: Calc 2 tutor
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Pharaoh Man
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Joined: 31 Oct 2011
PostPosted: Sat Apr 28, 2012 4:23 am 
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Hey Erwin. What you listed for Calc 2 and 3 are all included in my Calc 2 stuff.

None of it is particularly soul crushing hard, but there's so much material. I'll remember how to do trig substitutions and I'll forget how to do polar coordinates. There's so much stuff and my exam is at Monday at 8am.

I'm pretty terrified to be honest. I'll study a lot this weekend and try to get some help.
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Erwin Rommel
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Joined: 02 Aug 2005
PostPosted: Sat Apr 28, 2012 12:51 pm 
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Well good luck. I'm sure we'd be happy to try and address any specific questions.
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Messy Recipe
El Gran Capitán
<b>El Gran Capitán</b>


Joined: 13 Mar 2005
Location: Inter Veritates
PostPosted: Sat Apr 28, 2012 3:24 pm 
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The way to conceptually remember polar coordinates (and spherical, but you're prolly not doing that in II) is just to remember that they work the way people actually think of the locations of things. That is, if you're going to point at where an object is, you're not going to think of it as "x steps over and y steps up/down," you're going to think of it as "in that direction, this far away." Polar coordinates are just that: the angle is the direction and the radius is how far from the origin it is.

If you have to convert, then that's also remembering trig. Razz If that's the part you're forgetting then it sounds like you should probably focus on getting really comfortable with triangles. Make sure you know how the equations for X and Y here are obtained from "SoCaToa" and such:

http://en.wikipedia.org/wiki/File:Polar_to_cartesian.svg
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Erwin Rommel
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Joined: 02 Aug 2005
PostPosted: Sat Apr 28, 2012 7:47 pm 
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Pharaoh Man wrote:
Hey Erwin. What you listed for Calc 2 and 3 are all included in my Calc 2 stuff.


Are you on semesters or quarters? We're on quarters so Calc I-III is a single year.
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Raed
Stoned Angry Gamer


Joined: 29 Mar 2005
PostPosted: Mon Apr 30, 2012 1:43 am 
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I've found Khan Academy to be a great help.
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Wang Chung
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Joined: 13 Mar 2005
Location: Virginia Tech
PostPosted: Mon Apr 30, 2012 9:53 am 
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Khan Academy is decent but I feel like it's kind of sloppy? IDK, I've just never personally gotten a lot from them, but others disagree. He does cover a lot of material. He was on 60 min recently.

For math tutorials, this guy is better... should have posted this before:
http://patrickjmt.com/

Also there are online lectures from MIT OCW somewhere.

Anyway, sounds like PM already had his exam??? Hope he did well...
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Pharaoh Man
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Joined: 31 Oct 2011
PostPosted: Mon Apr 30, 2012 11:42 am 
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Hey guys. Just got back. I used the following guides to study over the weekend, I just picked one my friends recommended and didn't have time to shop around for the best:
http://tutorial.math.lamar.edu/Classes/CalcII/CalcII.aspx

The cheat sheets came in handy. I'm pretty sure I failed the exam despite my study, as most of the things I studied (reinforcing my strong suit, series and con/divergence) were not represented well on the test, and it was 70% integrals, which I'm poor at.

I'm just guessing I have a D overall in the class, which would be my first D ever. I have mixed feelings about it, sad that I'm too dumb to understand math, happy that a D is good enough to progress with my degree. I guess I'll know in a week when grades are posted.
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Erwin Rommel
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PostPosted: Mon Apr 30, 2012 2:52 pm 
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It's almost certainly not being too dumb.

It sounds to me like some of your fundamentals might have been weak coming in. It's almost impossible to learn something new when you're always having to remind yourself of the definitions of things.

This is easily the #1 problem my students have had in every class I've taught.
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Pharaoh Man
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Joined: 31 Oct 2011
PostPosted: Tue May 01, 2012 8:08 pm 
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AHHHHHHHHHHHHHH
AHHHHHHHHHHHHHHHHHHHHHH
AHHHHHHHHHHHHHHHHHHHHHHHHHHHHH

I got a 70 on my final.

By my calculations this is the exact minimum score I needed to get a C in the class. A 69 would have put me to a D.

I had no idea what I was doing but maybe my diligent scribbling got me enough partial credit. Maybe the professor showed mercy. Maybe my calculations were wrong and I needed a 71 to get a C, and I got a D regardless.

In any case, it certainly wasn't because of my expertise with calculus, and I'm proud of myself.
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RCSI
The YARR Master
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Joined: 13 Mar 2005
Location: On a Ship
PostPosted: Tue May 01, 2012 9:32 pm 
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Either way, congrats.
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Erwin Rommel
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Joined: 02 Aug 2005
PostPosted: Tue May 01, 2012 10:04 pm 
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Pharaoh Man wrote:
I got a 70 on my final.

By my calculations this is the exact minimum score I needed to get a C in the class. A 69 would have put me to a D.

I had no idea what I was doing but maybe my diligent scribbling got me enough partial credit. Maybe the professor showed mercy. Maybe my calculations were wrong and I needed a 71 to get a C, and I got a D regardless.


I've done this. "This person needs a 70. If I give 4/6 points instead of 3/6 on this problem, they'll pass. Otherwise they won't. Eh, why the hell not?"

Quote:
In any case, it certainly wasn't because of my expertise with calculus, and I'm proud of myself.


Not sure if it's worth being proud of then, but congrats nonetheless!
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atatme
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Joined: 17 Feb 2009
Location: Bozeman, Montana, United States
PostPosted: Tue May 01, 2012 11:00 pm 
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Not sure if it's worth being proud of then, but congrats nonetheless!


It could be a very strong stance on his ability to problem solve
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RCSI
The YARR Master
The YARR Master


Joined: 13 Mar 2005
Location: On a Ship
PostPosted: Wed May 16, 2012 11:40 pm 
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Stealing your thread for a moment to post my scores:

Just took my final, 76 (completely blanked on a Taylor series problem) keeping me at a B- in the class. Overall I could have done better.
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